fix: retry when send failed

channel/wechat/wechat_channel.py

@@ -225,7 +225,8 @@ class WechatChannel(Channel):
             thread_pool.submit(self.handle, context).add_done_callback(thread_pool_callback)
 
     # 统一的发送函数，每个Channel自行实现，根据reply的type字段发送不同类型的消息
-    def send(self, reply: Reply, receiver):
+    def send(self, reply: Reply, receiver, retry_cnt = 0):
+        try:
             if reply.type == ReplyType.TEXT:
                 itchat.send(reply.content, toUserName=receiver)
                 logger.info('[WX] sendMsg={}, receiver={}'.format(reply, receiver))
@@ -249,6 +250,11 @@ class WechatChannel(Channel):
                 image_storage.seek(0)
                 itchat.send_image(image_storage, toUserName=receiver)
                 logger.info('[WX] sendImage, receiver={}'.format(receiver))
+        except Exception as e:
+            logger.error('[WX] sendMsg error: {}, receiver={}'.format(e, receiver))
+            if retry_cnt < 2:
+                time.sleep(3+3*retry_cnt)
+                self.send(reply, receiver, retry_cnt + 1)
 
     # 处理消息 TODO: 如果wechaty解耦，此处逻辑可以放置到父类
     def handle(self, context):